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Finding the Fourth Proportional to 169,075.04, 253,661.94 and 75,558.92

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Solution

The fourth proportional to 169,075.04, 253,661.94 and 75,558.92 is: 113,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,075.04 : 253,661.94 = 75,558.92 : x
  2. Step 2: Convert to fraction form
    169,075.04/253,661.94 = 75,558.92/x
  3. Step 3: Cross multiply
    169,075.04x = 253,661.94 × 75,558.92
  4. Step 4: Simplify right side
    169,075.04x = 19,166,420,963.20
  5. Step 5: Solve for x
    x = 19,166,420,963.20/169,075.04
  6. Step 6: Final answer
    x = 113,360.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.